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International Journal of Medicinal Mushrooms

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ISSN Druckformat: 1521-9437

ISSN Online: 1940-4344

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00066 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.34 SJR: 0.274 SNIP: 0.41 CiteScore™:: 2.8 H-Index: 37

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Comparison of Some Metabolites Among Cultured Mycelia of Medicinal Fungus, Ophiocordyceps sinensis (Ascomycetes) from Different Geographical Regions

Volumen 12, Ausgabe 3, 2010, pp. 287-297
DOI: 10.1615/IntJMedMushr.v12.i3.80
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ABSTRAKT

Ophiocordyceps sinensis, also named Dong Chong Xia Cao, is one of the best-known Chinese medical fungus, with great benefits to human health and huge economical values. In the present study, cultured mycelia were obtained from submerged cultures with 18 authentic and representative strains from different origins on the Tibetan plateau. The contents of the main metabolites, including adenosine, uridine, guanosine, cordycepin, and D-mannitol, were then determined. There was no obvious trend in the amount of nucleosides between the cultured O. sinensis mycelia and natural products. Among the tested nucleosides, uridine showed the highest concentration. Cordycepin has been confirmed in submerged cultured mycelia. Natural products have a significantly higher content of D-mannitol compared with the submerged cultured mycelia. Based on the content of nucleosides and D-mannitol, hierarchical clustering analysis was performed. The tested samples were divided into two main clusters for cultured mycelia and natural products, respectively. The cultured mycelia of strains from different regions did not group together, suggesting that sample diversity had a greater effect on metabolite content than did the geographical origin. The results also suggested that strain selection is important when O. sinensis is used to manufacture health foods.

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